ArmorGlas - Anti-Glare Tempered Glass Screen Protector (iPad Mini 4) Anti-Shatter / Anti-Scratch: Sharp objects such as keys will not scratch the surface. If broken, Armorglas breaks into small pieces that are not sharp, making it safer than other products. Anti-Smudge Oleophobic Coating: An anti-smudge coating provides an anti-fingerprint layer for resistance to smudges and fingerprints. No Bubbles: Unlike plastic screen protectors, ArmorGlas is easy to apply with few to no surface bubbles. Zero residue of removed. 9H Surface Hardness / Real Glass: Made from premium grade Japanese tempered glass almost as hard as a diamond (10H hardness). This is 3x as strong as plastic film screen protectors. 2.0D Round Border Edges: The edges of the ArmorGlas are rounded to be chip resistant, to create a smooth feel and to deflect shock from bumps and drops.